Is January 20 a rare birthday? Uncommon
Rarer than 84% of all 366 dates.
January 20 in numbers
The odds, the star sign and the other dates that come with it.
Where January 20 ranks
From most common birthday to rarest, January 20 ranks in position #307, with 10,513 births a year. 306 other dates are more common. 62 dates are within 1% of its count, anywhere from #269 to #331, so the exact position is a close thing.
January 20 through the years
Where it ranked in the United States, year by year.
common
January 20 in other countries
January 20 is the 60th rarest birthday in the United States. It is among the 50 rarest in 2 of the 26 other countries, and ranges from #29 in Chile to #344 in Malaysia.
Chile
#29 of 366
724 births on an average January 20
DEIS, 1990–2017Japan
#75 of 366
2,878 births on an average January 20
e-Stat, 1996–2025Argentina
#106 of 366
1,593 births on an average January 20
DEIS, 2018–2023Belgium
#111 of 366
333 births on an average January 20
Statbel, 1992–2025Philippines
#111 of 366
4,690 births on an average January 20
PSA, 2006–2024Hungary
#123 of 366
331 births on an average January 20
KSH, 1970–2020Peru
#129 of 366
1,220 births on an average January 20
INEI, 2019–2025Finland
#150 of 366
143 births on an average January 20
Statistics Finland, 2010–2025Brazil
#160 of 366
8,078 births on an average January 20
DATASUS, 1997–2024Ireland
#167 of 366
168 births on an average January 20
CSO, 1980–2023Slovenia
#168 of 366
53 births on an average January 20
SURS, 2000–2025Mexico
#169 of 366
5,051 births on an average January 20
INEGI, 2017–2023Germany
#175 of 366
2,017 births on an average January 20
Destatis, 2014–2025Netherlands
#202 of 366
494 births on an average January 20
CBS, 1995–2025Switzerland
#205 of 366
222 births on an average January 20
FSO, 1969–2025New Zealand
#206 of 366
157 births on an average January 20
Stats NZ, 1980–2023Portugal
#215 of 366
296 births on an average January 20
INE Portugal, 1980–2025Norway
#225 of 366
153 births on an average January 20
SSB, 2011–2025France
#228 of 366
2,125 births on an average January 20
INSEE, 1998–2024Guatemala
#246 of 366
930 births on an average January 20
INE Guatemala, 2018–2024Ecuador
#274 of 366
737 births on an average January 20
INEC, 2013–2023England & Wales
#274 of 366
1,755 births on an average January 20
ONS, 1995–2025Latvia
#296 of 366
51 births on an average January 20
CSB, 1996–2025Denmark
#309 of 366
156 births on an average January 20
Statistics Denmark, 2007–2025Costa Rica
#338 of 366
157 births on an average January 20
INEC Costa Rica, 2014–2024Malaysia
#344 of 366
1,320 births on an average January 20
DOSM, 2000–2022
Famous people born on January 20
Ranked by how often people looked them up on Wikipedia last year.
David LynchAmerican filmmaker · born 1946
J. J. McCarthyAmerican football player · born 2003
Buzz AldrinAmerican astronaut · born 1930
Evan PetersAmerican actor · born 1987
Bill MaherAmerican comedian and television host · born 1956
Aristotle OnassisGreek business magnate · born 1906
Sid WilsonAmerican DJ and keyboardist · born 1977
Rainn WilsonAmerican actor · born 1966January against the other eleven
January 20 is the 14th most common of the 31 days in January. All January birthdays.
January is the rarest month of the year
An average January day sees 10,394 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on January 20?
About 10,513 a year in the United States. It was at its most common in 1971, when 10,598 babies were born and it ranked #46 of 365; at its rarest in 1985, with 8,345 births at #354.
Is January 20 a common birthday?
In the United States, January 20 is the 60th rarest of 366 dates, with about 10,513 births a year. That puts it on the rarer side of the calendar.
What is the rarest January birthday?
In the United States, January 1: the 2nd rarest of all 366 dates, with about 7,731 births a year. The most common January birthday is January 4, the 179th most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 62 other dates are within 1% of January 20's count, spread from #269 to #331, so the position inside that group would shift with a different set of years. That band is the accurate answer; the rank is the simple one. At the ends — Christmas Day, New Year's Day — nothing is close.
Is January 20 rarer in other countries?
In some. It is rarer in 3 of the 26 other countries we hold daily records for. It is at its rarest in Malaysia, at #344 of 366, and at its most common in Chile, at #29.
How this is counted
Every date is ranked by how many babies are born on it in the United States. Live births by day of birth from the CDC's National Center for Health Statistics, 1989–2024.
Updated October 2026